#打印菱形
n = int(input("请输入菱形的边长："))

for i in range(1, n + 1):
    print(" " * (n - i), end="")
    print("* " * (i))
for i in range(n - 1, 0, -1):
    print(" " * (n - i), end="")
    print("* " * (i))


# 打印九九乘法表
for i in range(1, 10):
    for j in range(1, i + 1):
        print('%d * %d = %d' % (j, i, i * j), end='\t')
    print()

#打印水仙花数
for i in range(100, 1000):
    a = i // 100
    b = i // 10 % 10
    c = i % 10
    if a ** 3 + b ** 3 + c ** 3 == i:
        print(i)

# 打印质数
for i in range(2, 100):
    for j in range(2, i):
        if i % j == 0:
            break
    else:
        print(i)

#打印完数
for i in range(1, 100):
    sum = 0
    for j in range(1, i):
        if i % j == 0:
            sum += j
    if sum == i:
        print(i)

#打印斐波那契数列
n = int(input('请输入一个整数：'))
a, b = 0, 1
for i in range(n):
    print(a, end="\n")
    a, b = b, a + b

